422436923 has 4 divisors (see below), whose sum is σ = 422692608. Its totient is φ = 422181240.

The previous prime is 422436919. The next prime is 422436941. The reversal of 422436923 is 329634224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422436923 - 2² = 422436919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422436983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125348 + ... + 128673.

It is an arithmetic number, because the mean of its divisors is an integer number (105673152).

Almost surely, 2^422436923 is an apocalyptic number.

422436923 is a deficient number, since it is larger than the sum of its proper divisors (255685).

422436923 is a wasteful number, since it uses less digits than its factorization.

422436923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255684.

The product of its digits is 62208, while the sum is 35.

The square root of 422436923 is about 20553.2703723763. The cubic root of 422436923 is about 750.3328436723.

The spelling of 422436923 in words is "four hundred twenty-two million, four hundred thirty-six thousand, nine hundred twenty-three".